State profile · Below median Poor share

Colorado bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Colorado, based on the FHWA National Bridge Inventory.

8,965
Public bridges
32.0%
Good condition
4.3%
Poor condition

Data updated May 2026

Total Bridges

8,965

Public highway bridges in Colorado

Good Condition

32.0%

2,865 bridges rated 7-9

-18.0pp vs 50% benchmark

Poor Condition

4.3%

387 bridges whose lowest applicable component is rated 0-4

-2.7pp vs national avg 7.0%

Colorado vs national bridge condition

Colorado - Good condition share 32.0%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Colorado - Poor-condition share 14.4%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Colorado vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Colorado on the same metric.

TN

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

MD

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527
Selected

CO

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

OR

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

OH

Ohio

4.54% top marginal rate
Structure
Progressive
Burden @ $100K
$26,753

Bridges Needing Most Attention in Colorado

Six lowest-condition bridges in Colorado, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Colorado

County Road 13

Good

Over: Larimer County Canal

125 Ft N of Co Rd 54, Larimer, CO

Built 1988 Load: 32.2 t ADT: 388

County Road 7

Good

Over: North Poudre Canal

0.8 Mi E of Co Rd 68, Larimer, CO

Built 2011 Load: 32.2 t ADT: 984

US 40 ML

Good

Over: DRAW

1.5 MI NW OF DEER TRAIL, Arapahoe, CO

Built 2022 Load: 32.3 t ADT: 360

US 287 ML

Good

Over: DRAW

0.9 MI S OF JCT SH 52, Boulder, CO

Built 1990 Load: 32.3 t ADT: 23,000

US 550 ML

Good

Over: HORSEFLY CREEK

7.5 MI NO OF OURAY-MONTRO, Montrose, CO

Built 1994 Load: 32.3 t ADT: 13,000

COUNTY ROAD 1W

Good

Over: Slater Creek

0.3 MI S of CO Rd 82, Routt, CO

Built 2012 Load: 32.3 t ADT: 24

County Road 15

Good

Over: Larimer County Canal

0.5 Mi N of SH 14, Weld, CO

Built 2004 Load: 32.3 t ADT: 1,364

SH 7 ML

Good

Over: BIG DRY CREEK

2.3 MI E OF JCT I25, Adams, CO

Built 2002 Load: 32.4 t ADT: 16,000

US 85 ML NBND

Good

Over: DAD CLARK GULCH

IN LITTLETON, Arapahoe, CO

Built 2013 Load: 32.4 t ADT: 22,000

US 85 ML SBND

Good

Over: DAD CLARK GULCH

IN LITTLETON, Arapahoe, CO

Built 2004 Load: 32.4 t ADT: 22,000

US 40 ML EBND

Good

Over: SAND CREEK

2.6 MI E OF I225, Arapahoe, CO

Built 2013 Load: 32.4 t ADT: 11,000

US 40 ML WBND

Good

Over: SAND CREEK

2.6 MI E OF I225, Arapahoe, CO

Built 2013 Load: 32.4 t ADT: 11,000

SH 116 ML

Good

Over: N FK WILD HORSE CREEK

7 MI E OF JCT US 287, Baca, CO

Built 1990 Load: 32.4 t ADT: 200

Broadway

Good

Over: Four Mile Creek/Bike Pth

At Rosewood Avenue, Boulder, CO

Built 1994 Load: 32.4 t ADT: 11,874

US 24 ML

Good

Over: DRAW / STOCK PASS

9.8 MI NE OF JCT US 285, Chaffee, CO

Built 2008 Load: 32.4 t ADT: 6,700

8TH AVE

Good

Over: SOUTH PLATTE RIVER

JUST WEST OF ZUNI STREET, Denver, CO

Built 2021 Load: 32.4 t ADT: 20,305

UINTA STREET

Good

Over: LOCAL DRAINAGE

0.11 MI N OF 51ST AVE, Denver, CO

Built 2015 Load: 32.4 t ADT: 1,415

Castle Rock Pkwy

Good

Over: US 85 and UPRR

N Meadows Pkwy, Douglas, CO

Built 2014 Load: 32.4 t ADT: 14,973

E-470 NB

Good

Over: Cherry Creek

5.13 MI FROM I25, Douglas, CO

Built 1996 Load: 32.4 t ADT: 24,407

US 85 TO C470 RAMP

Good

Over: ERICKSON BLVD.

LITTLETON, Douglas, CO

Built 2012 Load: 32.4 t ADT: 81,000

US 85 ML

Good

Over: SAND CREEK

2.9 MI. N. OF JCT S.H. 67, Douglas, CO

Built 2022 Load: 32.4 t ADT: 16,600

EB COTTONWOOD DR

Good

Over: CHERRY CREEK

0.5 MI E OF PARKER RD, Douglas, CO

Built 2021 Load: 32.4 t ADT: 16,005

COUNTY ROAD 301

Good

Over: COLORADO RIVER

7.3 MI W OF HIGHWAY 131, Eagle, CO

Built 2016 Load: 32.4 t ADT: 156

I70 ML EBND

Good

Over: SIMBA RUN UNDERPASS

1.2 MI W of EXIT 176, Eagle, CO

Built 2016 Load: 32.4 t ADT: 14,500

I 70 ML WBND

Good

Over: POLK CREEK

4.7 MI W VAIL PASS SUMMIT, Eagle, CO

Built 2023 Load: 32.4 t ADT: 23,000

MARKSHEFFEL RD

Good

Over: SAND CREEK

0.4 MI N OF WOODMEN RD, El Paso, CO

Built 2021 Load: 32.4 t ADT: 7,740

Butts Road

Good

Over: Tank Trail Bravo

Butts and Bad Toelz RDs, El Paso, CO

Built 2016 Load: 32.4 t ADT: 24,500

US 24 ML EBND

Good

Over: SAND CREEK

EAST OF MURRAY BLVD, El Paso, CO

Built 1975 Load: 32.4 t ADT: 15,000

US24 ML

Good

Over: WALDO CANYON

.6 MI W OF JCT 24 BUS. RT, El Paso, CO

Built 2014 Load: 32.4 t ADT: 23,000

I25 ML NBND

Good

Over: MARK DABLING/UPRR

IN COLORADO SPRINGS, El Paso, CO

Built 2008 Load: 32.4 t ADT: 57,000

RAMP TO I 25 NBND

Good

Over: FOUNTAIN CREEK

IN COLORADO SPRINGS, El Paso, CO

Built 2017 Load: 32.4 t ADT: 58,000

SH 94 ML

Good

Over: DRAW

7.4 MI E OF JCT US 24, El Paso, CO

Built 1983 Load: 32.4 t ADT: 9,900

SH 115 ML

Good

Over: LITTLE FOUNTAIN CREEK

CO-115, 7 Mi S of I-25, El Paso, CO

Built 2004 Load: 32.4 t ADT: 13,000

SH 120 ML

Good

Over: RR, ARKANSAS RIVER

0.3 MI E OF PORTLAND, Fremont, CO

Built 2014 Load: 32.4 t ADT: 190

SH 67 ML

Good

Over: ADOBE CREEK

5.5 Mi S of Florence, Fremont, CO

Built 2000 Load: 32.4 t ADT: 1,300

SH 82 ML

Good

Over: I70 ML,COLORADO RVR,RR

GLENWOOD SPRINGS, Garfield, CO

Built 2017 Load: 32.4 t ADT: 29,000

SH 9 ML

Good

Over: WILDLIFE UNDERPASS

11.1 miles south of US-40, Grand, CO

Built 2017 Load: 32.4 t ADT: 3,600

SH 9 ML

Good

Over: WILDLIFE UNDERPASS/WASH

8.1 miles south of US-40, Grand, CO

Built 2017 Load: 32.4 t ADT: 1,200

SH 9 ML

Good

Over: WILDLIFE UNDERPASS

7.3 MI. S. O F US HWY 40, Grand, CO

Built 2017 Load: 32.4 t ADT: 3,600

SH 9 ML

Good

Over: WILDLIFE UNDERPASS/WASH

6.4 miles south of US-40, Grand, CO

Built 2017 Load: 32.4 t ADT: 3,600

SH 9 ML

Good

Over: WILDLIFE UNDERPASS

2.8 miles south of US-40, Grand, CO

Built 2017 Load: 32.4 t ADT: 3,600

I70 WB OFFRAMP

Good

Over: 32ND AVE

AT 32ND AVENUE, Jefferson, CO

Built 2021 Load: 32.4 t ADT: 91,000

US 6 RAMP

Good

Over: EB C-D ROAD

EBND ON RAMP, Jefferson, CO

Built 2015 Load: 32.4 t ADT: 136,000

SH 96 ML

Good

Over: DRAW

1.1 MI CROWLEY-KIOWA, Kiowa, CO

Built 2011 Load: 32.4 t ADT: 420

IRR# COUNTY RD 510

Good

Over: FLORIDA RIVER

.15 MI W OF CR 225A, La Plata, CO

Built 1994 Load: 32.4 t ADT: 572

US 550 ML

Good

Over: GULCH A

0.4 MI S OF US160, La Plata, CO

Built 2023 Load: 32.4 t ADT: 7,800

I 25 ML NBND

Good

Over: CACHE LA POUDRE RIVER

8.5 MI N OF JCT US 34, Larimer, CO

Built 2022 Load: 32.4 t ADT: 24,500

I 25 ML SBND

Good

Over: CACHE LA POUDRE RIVER

3.5 MI S OF JCT SH 14, Larimer, CO

Built 2023 Load: 32.4 t ADT: 24,500

I 25 ML NBND

Good

Over: RR SPUR

1.1 MI N OF JCT SH 68, Larimer, CO

Built 2022 Load: 32.4 t ADT: 24,500

I25 ML NBND

Good

Over: POUDRE RIVER FLOODPLAIN

0.2 MI SO OF KECHTER RD, Larimer, CO

Built 2022 Load: 32.4 t ADT: 90,000

Showing 6,451-6,500 of 8,965 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.